Network router caused WhatsApp's 'biggest' outage

Sun Feb 23, 2014 1:52pm EST

A Whatsapp App logo is seen behind a Samsung Galaxy S4 phone that is logged on to Facebook in the central Bosnian town of Zenica, February 20, 2014. REUTERS/Dado Ruvic

A Whatsapp App logo is seen behind a Samsung Galaxy S4 phone that is logged on to Facebook in the central Bosnian town of Zenica, February 20, 2014.

Credit: Reuters/Dado Ruvic

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(Reuters) - WhatsApp founder Jan Koum on Sunday issued an apology and blamed a network router for Saturday's outage of the mobile messaging app.

"We are sorry about the downtime," wrote Koum. "It has been our longest and biggest outage in years. It was caused by a network router fault which cascaded into our servers."

"We worked with our service provider on resolving the issue and making sure it will not happen again."

WhatsApp was down for more than three hours on Saturday just days after Facebook bought it for $19 billion.

The five-year old company currently has about 450 million users worldwide and is the leading smartphone-based messaging app.

(Reporting by Jennifer Saba in New York; Editing by Marguerita Choy)

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